Manuale d’uso / di manutenzione del prodotto AFS 224 del fabbricante dbx Pro
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User Manual D ual Channel Advanced Feedback Suppression Processor ® AFS ™ 224.
W ARNING FOR YOUR PROTECTION READ THESE INSTRUCTIONS: KEEP THESE INSTRUCTIONS HEED ALL W ARNINGS FOLLOW ALL INSTRUCTIONS DO NOT USE THIS APP ARA TUS NEAR W A TER CLEAN ONL Y WITH A DR Y CLOTH. DO NOT BLOCK ANY OF THE VENTILA TION OPENINGS. INST ALL IN ACCORDANCE WITH THE MANUF ACTURER’S INSTRUCTIONS.
U.K. MAINS PLUG W ARNING A molded mains plug that has been cut off from the cord is unsafe. Discard the mains plug at a suitable disposal facility . NEVER UNDER ANY CIRCUMST ANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET .
Ta b le of Contents AFS 224 Ta b le of Contents Defining the AFS 224 ..............................................i Service Contact Info ...............................................ii W arranty .....................................................
® AFS 224 Operation AFS 224.
Intr oduction ® AFS 224 User Manual i AFS 224 Congratulations on your purchase of the dbx Professional Products AFS 224. The AFS 224 Advanced Feedback Suppression processor was designed to provide state-of-the-art feedback elimination processing, while maintaining a simple and intuitive control interface.
® Intr oduction AFS 224 AFS 224 User Manual For more information regarding dbx Advanced Feedback Suppression (AFS™) technology, please refer to the white paper section online at: www .dbxpro .com . If you require technical support, contact dbx Customer Service.
Installation / Connections ® AFS 224 User Manual 1 AFS 224 a period of two years. A Return Authorization number must be obtained from dbx by telephone. The company shall not be liable for any consequential damage as a result of the product's use in any circuit or assembly.
Rear and F r ont P anels Operation AFS 224 ® AFS 224 User Manual 2 AFS 224 Rear Po w er Cord Receptacle: Connects AC power to the AFS 224. Input Connectors : Two types of input connectors are provided for input connections: female locking XLR type connectors, and 1/4” tip-ring-sleeve phone jack connectors.
User Setup ® AFS 224 User Manual 3 Operation AFS 224 Live Filter Lift : Live Filter Lift provides maximum sonic integrity by removing unnecessary feedback filters.
® If no insert points are available, then method 4 would be utilized. In this situation, be sure that the AFS 224 input level allows the 0 and +10 dBu LEDS to light as indicated above. The input level to the amplifiers may have to be reduced in this situation so that they are not over- driven by the signal from the AFS 224.
User Setup ® 3 AFS 224 User Manual 5 Operation AFS 224 C-1 Ringing out a system Fixed mode filters are set before a perfor mance in a process called "ringing out a system". This is done after all other system EQ'ing has been done. First, bring down the main mix, turn off all music sources and open all the mics.
User Setup Operation AFS 224 ® AFS 224 User Manual 6 D-1 Using Live Filter Lift Live Filter Lift provides maximum sonic integrity by removing unnecessary feedback filters.
Application Guide Application 1 - Insert On the Microphone Channel This application is ideal for dedicated feedback suppression on microphone channels of a mix- ing console. This application provides the user with individual channels of 24 filter of feed- back suppression per microphone.
® Application 2 - Insert On the Main Stereo Outputs of a Mixing Console This application is ideal for dedicated feedback suppression on the outputs of a mixing con- sole. This application provides the user with dual channels of 24 filters of feedback suppres- sion per channel.
Applications Guide ® 386 User Manual 9 Operation AFS 224 Application 3 - Insert on the Subgroups of a Mix er This setup is ideal for applications that require feedback suppression on certain instruments such as microphones, while keeping instrument that desire feedback (such as guitars) separat- ed.
® Application 4- Connected Inline with the Outputs of a Mix er This application is ideal for dedicated feedback suppression on the outputs of a mixing con- sole. This application provides the user with dual channels of 24 filters of feedback suppres- sion per output channel of the mixing console.
Block Diagram ® 386 User Manual 11 Operation AFS 224 AFS 224 Block Diagram TYPE IV™ A/D DSP Micro Processor Pro grammable Logic CLIP Detect Bypass T ype Live Filter Lift Mode Bypass T ype Input met.
® Analog Inputs: Number of Inputs: 2 Connectors: Female XLR and 1/4” TRS T ype: Electronically balanced/unbalanced, RF filtered Impedance: Balanced 50k Ω , Unbalanced 25k Ω Max input line level.
® 8760 South Sandy Pkwy . Sandy , Utah 84070 Phone: (801) 568-7660 F ax: (801) 568-7662 Questions or comments E•mail us at: customer@dbxpr o .com or visit our W orld Wide W eb home pa ge at: www .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il dbx Pro AFS 224 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del dbx Pro AFS 224 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso dbx Pro AFS 224 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul dbx Pro AFS 224 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il dbx Pro AFS 224, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del dbx Pro AFS 224.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il dbx Pro AFS 224. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo dbx Pro AFS 224 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
